i feel like i'm doing my part to help out the environment. ♪ (train horn) vo: wherever our trains go, the economy comes to life. norfolk southern. one line, infinite possibilities. >>> here's some of what you missed earlier on the lead. baby it's cold outside, and baby, it's only going to get worse. >> they tell us bridges, overpasses, untreated roads are going to be very dangerous. so they're asking people to be very careful when they're out and about. >>> the inmates were not the only criminals there. >> 18 people that have been arrested and charged in relation to this probe. >>> kim jong un's uncle has been removed from his post for criminal acts including corruption, womanizing, abusing alcohol. he was also accused of dreaming different dream, whatever that means. >> i don't think he's ever done a perp walk before. >>> we're told that air force one just made a refueling stop, which means the presidents are well on their way to south africa and probably playing sodoku right now. >> reporter: bit coin is all the rage, but what the hell is it? and why should you care? it's an electro